“Queer theory takes the joy out of being gay!” blurts Bowen Yang’s character Chris in one of several laugh-out-loud yet emotional moments in “The Wedding Banquet,” Korean American filmmaker Andrew Ahn’s fourth feature in just nine years. It’s a “reimagining” rather than a remake of Ang Lee’s beloved 1993 Asian American rom-com classic of the same name.

Chris, who has put his PhD on hold, passes his days as a birder. When his amiable, handsome Korean Mfa art student boyfriend Min (Han Gi-Chan) — in dire need of a green card to avoid being shuttled back to Korea and take rein of a chaebol managed by his astute grandmother played by Yuh-Jung Youn — proposes, Chris, though quite in love with Min, is petrified of committing. How can he, if he can’t commit to even a PhD? As his cousin (Bobo Le) sharply observes, Chris is merely interested...